Home / 156,766.75-216,338.48-85,145.23

Finding the Fourth Proportional to 156,766.75, 216,338.48 and 85,145.23

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Solution

The fourth proportional to 156,766.75, 216,338.48 and 85,145.23 is: 117,500.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,766.75 : 216,338.48 = 85,145.23 : x
  2. Step 2: Convert to fraction form
    156,766.75/216,338.48 = 85,145.23/x
  3. Step 3: Cross multiply
    156,766.75x = 216,338.48 × 85,145.23
  4. Step 4: Simplify right side
    156,766.75x = 18,420,189,637.45
  5. Step 5: Solve for x
    x = 18,420,189,637.45/156,766.75
  6. Step 6: Final answer
    x = 117,500.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.